Alexander’s character, Tunie—who will appear in at least four episodes of the Showtime dramedy’s upcoming third season—is Kevin’s (Dominic Fumusa) never-before-seen younger sibling.

In the final moments of Jackie’s second season, Falco’s increasingly unhinged title character found herself at the center of an intervention staged by her husband and BFF Eleanor (the awesome Eve Best). In other words, probably not the best time for an unannounced visit from an annoying relative.